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Why is Bollywood failing?

Unfortunately there are many reasons and not just one. Believe it or not, Sushant Singh Rajput's unt...

How many couples swap wives?

Yes our first time was with an older couple we met had drinks we found we enjoyed similar things so...

Why is (n-1)(n+1)=n^2-1?

The basic answer is that you cross-multiply the values in each factor: (n - 1)(n + 1) n^2 - n + n -...